The Big Four

The Big Four is a tale of international intrigue and espionage, featuring famous detective Hercule Poirot, and his companions Arthur Hastings and Inspector Japp. An unexpected visitor called Mayerling comes in through Hercule Poirot's bedroom and collapses on the floor. The only clue to what he wants is his repeating Poirot's name and address and writing the number 4, many times. When Hastings jokingly calls it "The Mystery of the Big Four," the man begins speaking about an international cr...